Reference information and data.
Pinout and connector data.
Information on the In System Programming interface for AVR microcontrollers which uses IDC 6-pin or 10-pin header.
Information on the DB-9 (officially know as DE-9) connector which is commonly used for RS232 serial ports. Pictures, pinout diagrams and pin descriptions.
Documentation, examples and guides for telecnatron-developed software. The software itself is hosted on GitHub and, unless otherwise specified, it is available under the Telecnatron Version 1.0 freeware/donationware license.
C Library for AVR GCC compiler. Developed on ATmega328/168/88/8 devices. Also useful for ATtiny2313 and other ATtinies.